Nemotron 3 Nano 30B A3B (free) is free for input tokens while GPT-5 Chat costs $1.25 per 1M tokens.
API cost decision in 10 seconds
Nemotron 3 Nano 30B A3B (free) vs GPT-5 Chat
Pick Nemotron 3 Nano 30B A3B (free) when budget and context both matter.
Budget verdict
Pick Nemotron 3 Nano 30B A3B (free) when budget and context both matter.
On the standard 1M input plus 500K output workload, Nemotron 3 Nano 30B A3B (free) is estimated at $0 vs $6.25 for GPT-5 Chat, saving $6.25 (100% lower).
Nemotron 3 Nano 30B A3B (free) is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $62.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Nemotron 3 Nano 30B A3B (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Nemotron 3 Nano 30B A3B (free) | GPT-5 Chat |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nemotron 3 Nano 30B A3B (free) | $0 | $11.25 |
| Balanced workload | 1M input + 1M output | Nemotron 3 Nano 30B A3B (free) | $0 | $11.25 |
| Output-heavy chatbot | 1M input + 5M output | Nemotron 3 Nano 30B A3B (free) | $0 | $51.25 |
Nemotron 3 Nano 30B A3B (free) is free for output tokens while GPT-5 Chat costs $10 per 1M tokens.
Nemotron 3 Nano 30B A3B (free) has 128K more context (2x larger).
Nemotron 3 Nano 30B A3B (free) is free for the standard workload while the other model is estimated at $6.25.
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Nemotron 3 Nano 30B A3B (free) has the lower input price; Nemotron 3 Nano 30B A3B (free) has the lower output price; Nemotron 3 Nano 30B A3B (free) offers the larger context window. For the 1M input plus 500K output sample, Nemotron 3 Nano 30B A3B (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Nemotron 3 Nano 30B A3B (free) and $6.25 for GPT-5 Chat.
Choose Nemotron 3 Nano 30B A3B (free) when you care most about lower input-token price, lower output-token price, and larger context window.
Choose GPT-5 Chat when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
- On the standard 1M input plus 500K output workload, Nemotron 3 Nano 30B A3B (free) is estimated at $0 vs $6.25 for GPT-5 Chat, saving $6.25 (100% lower).
- Nemotron 3 Nano 30B A3B (free) is free for the standard workload while the other model is estimated at $6.25.
- Nemotron 3 Nano 30B A3B (free) is free for input tokens while GPT-5 Chat costs $1.25 per 1M tokens.
- Nemotron 3 Nano 30B A3B (free) is free for output tokens while GPT-5 Chat costs $10 per 1M tokens.
- Nemotron 3 Nano 30B A3B (free) has 128K more context (2x larger).
| Feature | Nemotron 3 Nano 30B A3B (free) (NVIDIA) | GPT-5 Chat (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0 | $1.25 |
| Completion Price per 1M tokens | $0 | $10 |
| Sample Workload Cost 1M input + 500K output | $0 | $6.25 |
| Context Window | 256K | 128K |
| Release Date | ||
| Popularity | #77 | #111 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Nemotron 3 Nano 30B A3B (free) | On the standard 1M input plus 500K output workload, Nemotron 3 Nano 30B A3B (free) is estimated at $0 vs $6.25 for GPT-5 Chat, saving $6.25 (100% lower). |
| High-volume input processing | Nemotron 3 Nano 30B A3B (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Nemotron 3 Nano 30B A3B (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Nemotron 3 Nano 30B A3B (free) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT-5 Chat when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT-5 Chat when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT-5 Chat when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT-5 Chat when lower sample workload cost matters most: $0.13.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
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Open OpenAI modelsNVIDIA Nemotron 3 Nano 30B A3B is a small language MoE model with highest compute efficiency and accuracy for developers to build specialized agentic AI systems. The model is fully...
GPT-5 Chat is designed for advanced, natural, multimodal, and context-aware conversations for enterprise applications.